fix #16101

src/vs/editor/contrib/smartSelect/common/tokenTree.ts

@@ -409,9 +409,11 @@ export function find(node: Node, position: IPosition): Node {
 	var result: Node;
 
 	if (node instanceof NodeList) {
+		if (node.hasChildren) {
 			for (var i = 0, len = node.children.length; i < len && !result; i++) {
 				result = find(node.children[i], position);
 			}
+		}
 
 	} else if (node instanceof Block) {
 		result = find(node.open, position) || find(node.elements, position) || find(node.close, position);